<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <script src="./js/vue.js"></script>
    <style type="text/css">
    
        .tab ul {
          overflow: hidden;
          padding: 0;
          margin: 0;
        }
        .tab ul li {
          box-sizing: border-box;
          padding: 0;
          float: left;
          width: 100px;
          height: 45px;
          line-height: 45px;
          list-style: none;
          text-align: center;
          border-top: 1px solid blue;
          border-right: 1px solid blue;
          cursor
        }
        .tab ul li:first-child {
          border-left: 1px solid blue;
        }
        .tab ul li.active {
          background-color: orange;
        }
        .tab div {
          width: 500px;
          height: 300px;
          display: none;
          text-align: center;
          font-size: 30px;
          line-height: 300px;
          border: 1px solid blue;
          border-top: 0px;
        }
        .tab div.current {
          display: block;
        }
      </style>
</head>

<body>

    <div id="app">
        <div class="tab">
            <ul>
                <li class="active">apple</li>
                <li>orange</li>
                <li>lemon</li>
            </ul>
            <div class="current"><img src="img/apple.png" ></div>
            <div ><img src="img/orange.png" ></div>
            <div ><img src="img/lemon.png" ></div>
        </div>

    </div>

    <script type="text/javascript">
        

        var vm = new Vue({
            el: '#app',
            data: {
                
            },
            methods: {
                
            }
        })

    </script>
</body>

</html>